Home / 989,604.25-1,365,656.48-536,895.25

Finding the Fourth Proportional to 989,604.25, 1,365,656.48 and 536,895.25

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Solution

The fourth proportional to 989,604.25, 1,365,656.48 and 536,895.25 is: 740,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,604.25 : 1,365,656.48 = 536,895.25 : x
  2. Step 2: Convert to fraction form
    989,604.25/1,365,656.48 = 536,895.25/x
  3. Step 3: Cross multiply
    989,604.25x = 1,365,656.48 × 536,895.25
  4. Step 4: Simplify right side
    989,604.25x = 733,214,477,243.72
  5. Step 5: Solve for x
    x = 733,214,477,243.72/989,604.25
  6. Step 6: Final answer
    x = 740,916.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.